How to get Profile Facebook profile images by FID

https://graph.facebook.com/USER_ID/picture

https://graph.facebook.com/USER_ID/picture&type=SIZE

square
small
normal
large


For Example :

<img src="https://graph.facebook.com/<?php echo $val['id']; ?>/picture" style="width:25px; float:left; margin-right:6px" />